CVE-2026-121543

High

Description

smart-sso through 2.0.1 contains an incorrect authorization vulnerability in PermissionFilter that allows any authenticated user to call admin console APIs because unlisted paths are permitted by default. Attackers can call /admin/user-role/save to assign themselves the administrator role, reset passwords, and manage users, roles, and applications across integrated systems.

SeverityHigh

CVSS8.8

Exploit probability—

ProductA466350665 Smart-sso

PublishedNov 3, 2026

First seenNov 4, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Patches

github.com/a466350665/smart-sso/commit/9bccabaa5ec5
github.com/a466350665/smart-sso/commit/a74a791bea7fc7b06ce95f52ce5805d8d7886d48

Affected products

Product	Affected versions	Fixed in
a466350665 smart-sso	v ≤ 2.0.1	—

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